27857640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{863}}^1$

素因数の和:1146

約数の個数: 64

約数和(自身を含む): 83980800

約数和(自身を除く): 56123160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 269, 538, 807, 863, 1076, 1345, 1614, 1726, 2152, 2589, 2690, 3228, 3452, 4035, 4315, 5178, 5380, 6456, 6904, 8070, 8630, 10356, 10760, 12945, 16140, 17260, 20712, 25890, 32280, 34520, 51780, 103560, 232147, 464294, 696441, 928588, 1160735, 1392882, 1857176, 2321470, 2785764, 3482205, 4642940, 5571528, 6964410, 9285880, 13928820, 27857640]

約数ペア:

[(1, 27857640), (2, 13928820), (3, 9285880), (4, 6964410), (5, 5571528), (6, 4642940), (8, 3482205), (10, 2785764), (12, 2321470), (15, 1857176), (20, 1392882), (24, 1160735), (30, 928588), (40, 696441), (60, 464294), (120, 232147), (269, 103560), (538, 51780), (807, 34520), (863, 32280), (1076, 25890), (1345, 20712), (1614, 17260), (1726, 16140), (2152, 12945), (2589, 10760), (2690, 10356), (3228, 8630), (3452, 8070), (4035, 6904), (4315, 6456), (5178, 5380)]